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2006年12月15日凌晨,华锡集团铜坑矿井下455～531m水平92#矿体的Ⅰ、Ⅱ、R盘区的中部发生了一次影响范围较大的地压活动,地压活动区域的空区垮塌引起其上部的细脉带一爆区地表陷落区坊体下陷、塌陷坑扩展和岩移带裂缝扩展增多。由于铜坑矿事前进行了严密的监测和及时的分析预报,并采取了一系列有效的安全防范措施,因此除了一些空区顶板冒落和部分巷道受到破坏外,未造成任何人员伤害和重大设备事
In the early morning of December 15, 2006, a large-scale area of pressure-bearing activity occurred in the middle of the Ⅰ, Ⅱ and R plates of ore body # 92 of 455 ~ 531m underground in Tongkeng Mine of Huaxi Group, The collapse of the vacant area caused the subsidence of the surface subsidence area, the extension of the collapse pits and the expansion of the migration of rock migration belt in the upper zone of the fine vein zone. Due to the close monitoring and timely analysis and forecast of Tongkeng Mine in advance and the adoption of a series of effective safety precautions, it has not caused any personal injury and major equipment except some roof slides and some roadway damage thing